bent on something/on doing something

bent on (doing something)

Very determined to do something, perhaps aggravatingly so. She's bent on coming here for the weekend, so we better clean the guest room. I'm bent on getting an A on this exam, so I've been studying all week.
See also: bent, on

ˈbent on something/on doing something

(informal) be determined to do or have something: I advised her against it, but she was bent on taking part in the marathon.
See also: bent, on, something